.w{
    width: 1200px;
    margin: 0 auto;
}
.clearfix:after{
    content: "";
    display: table;
    clear: both;
}
ul{
    list-style: none;
    padding: 0;
}
h1,h2,h3,h4,h5,h6{margin: 0;}
a{
    text-decoration: none;
}
.fl{
    float: left;
}
.fr{
    float: right;
}
body{
    margin: 0;
    padding: 0;
}